Mars could be warmed by scattering artificial nanoparticles, which are far more effective than greenhouse gases, potentially melting ice and making the planet more habitable.

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💎 Perseverance rover discovers precious gem grains made of corundum (ruby/sapphire) in Martian pebbles like Hampden River, Coffee Cove, and Smiths Harbour.

🔬 Findings first spotted by Ann Ollila's team at Los Alamos National Laboratory using the SuperCam instrument.

☄️ Martian corundum likely formed from meteorite impacts, not tectonism as on Earth, due to Mars' lack of plate tectonics.

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🚀 Curiosity rover discovers diverse organic molecules on Mars, including never-before-seen compounds. These chemicals, similar to life's building blocks on Earth, are preserved for an estimated 3.5 billion years.

🔬 The experiment, led by Amy Williams of the University of Florida, identified nitrogen- and sulfur-bearing molecules. However, it's impossible to confirm if they originated from ancient Martian life or geological processes.

🔭 This breakthrough by NASA's Curiosity, using the SAM instrument, highlights the potential for discovering signs of past life in Mars' shallow subsurface, particularly in clay-rich regions.

#Mars #Space #NASA

🌊 Caltech researchers Abdallah Zaki and Michael Lamb have found geological evidence on Mars suggesting a vast, ancient ocean that once covered a third of the planet's surface.

🌍 Their study, published in Nature on April 15, identifies a distinct landform similar to Earth's continental shelf as a key indicator, a feature stable over long periods and not formed by lakes.

🔍 This "bathtub ring" feature in Mars' northern hemisphere, coupled with evidence of ancient river deltas, strongly supports the theory of a large, long-lasting northern ocean that dried up billions of years ago.

#Mars #SpaceExploration #Science

Oldest known Mars rock offers glimpse of planet’s watery youth

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